CONTENTS. VII 



HOGEN RAAD (o. B.). Oil ail '/Eiseufose" of tlie St. Gotthard. 605. 



HONUsiiuu iu üreiiüie (Tlie L;colo^ical structure of tlicj and thi; ()rii;iii of (liat ridge. 



(l». 'Jij. (11). 101. 

 iiMJiiAXlNE (ïhe conductive power of) and of substances' dissolved therein. 551. 



— -|- water (Tlie boilingpoint-curve of tlie system:). 171. 



IIVDKOUEN (The course of the values of b lor), in conneciiou with a recent lonnula 



of l'rof. VAN DER Waals. 573. 

 iiVNDMAN (II. II. FR.) aud H. Kamerlincüi Ünnks, Isotherms of diatomic gases 



and their binary mixtures. V. An accurate voluaienometer and mixing apparatus O'JO. 

 iivpoTiiEsrs (An) on the nature of solar prominences. 162. 

 INDEX (On tlie refractive) of rock-glasses. 602. 

 INNERVATION (Ou the Structure of the liglit-percepting cells in the spinal cord, on 



the neurotibrillae in the ganglioncells and on the) of the striped muscles m 



Amphioxus lanceolatus. 350. 

 INTEGERS (An analytical expression for the greatest common divisor of two). 658. 

 INT.'CNSITY (On maxima aud minima of) sometimes observed within the shading of 



strongly widened spectral lines. 662. 

 INTKRPOLATION (On) based on a supposed condition of minimum. 364. 

 INTRAMOLECULAR rearrangement of atoms in azoxybenzene and its derivatives. 51. 



— rearrangement (The) in halogenacetanilides and its velocity. (I). 17S. (Ü), 35'J. 

 IODIDE (The transformation of diphenyliodonium) and chloride and its velocity. 646. 

 ISOTHERMS of diatomic gases and their mixtures. V. An accurate volumenometer and 



mixing apparatus. 636. 

 ITERS ON JR. (g. van). Accumulation experiments with denitrifying bacteria. 148. 



— The decomposition of cellulose by aerobic micro-organisms. 685. 

 JULIUS (w. h.). An hypothesis on the nature of solar prominences. 162. 



— presents a paper ol Prof. E. Cohen and Th. Stkengers: "On the atomic weight 

 of antimony". 543. 



— Peculiarities and changes of FRAUNiioFER-lines interpreted as anomalous disper- 

 sion of sunlight in the corona. 5S5). 



— On maxima and minima of intensity sometimes observed within the shadiii"- 

 of strongly widened spectral lines. 662. 



J u N 1 u s (c. l.) and C. A.. Lobrv de Bruyn. Di.ssüciation in and crystallisation from 



a solid solution. 643. 

 kamerlingh on nes (h.) presents a paper of W. H. Keesom : 'Mieduction of 



observation equations containing more than one measured quantity". 236. 



— presents a paper of Dr. L. 11. S^iertsema : "Measurements on the magnetic rotation 

 of the plane ot polarisation in liquefied gases under atmospheric pressure. U. 

 Aleasurements with methylchloride". 243. 



— presents a paper of Dr. J. E. Verschai felt : "Contributions to the knowledge 

 of VAN DER WAALS J^-surfacc. VII. The equation of stiite and the 4,-surface in 

 the immediate neighbourhood of the critical state for binary mixtures with a small 

 proportion of one of the components". 321. 336, 



